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  2. Options Price Reporting Authority - Wikipedia

    en.wikipedia.org/wiki/Options_Price_Reporting...

    A significant gauge of the level of options market data is messages per second (MPS), which is the number of messages (i.e., options trade and quote data) reported to OPRA by the options exchanges during any given second of a trading day. Data volume has increased dramatically since the early 1990s, as illustrated in the following table. [2] [3 ...

  3. How implied volatility works with options trading

    www.aol.com/finance/implied-volatility-works...

    Market conditions: Major economic events — such as interest rate changes, unemployment data, market crashes or geopolitical tensions — can impact market volatility and, consequently, implied ...

  4. Option symbol - Wikipedia

    en.wikipedia.org/wiki/Option_symbol

    Options Clearing Corporation's (OCC) Options Symbology Initiative (OSI) mandated an industry-wide change to a new option symbol structure, resulting in option symbols 21 characters in length. March 2010 - May 2010 was the symbol consolidation period in which all outgoing option roots will be replaced with the underlying stock symbol. [1]

  5. Stock option return - Wikipedia

    en.wikipedia.org/wiki/Stock_option_return

    For example, for stock RST and a long straddle consisting of a purchased call option with a price of $1.50 and a purchased put option with a price of $2.00 with a strike price of $50. Assume the initial price of RST is $50, and at option expiration, the price of RST is $55. % Return = [|55-50| - (1.5+2.0)]/(1.5+2.0) = 42.9%

  6. Volatility smile - Wikipedia

    en.wikipedia.org/wiki/Volatility_smile

    For instance, the IBM call option, strike at $100 and expiring in 6 months, may have an implied volatility of 18%, while the put option strike at $105 and expiring in 1 month may have an implied volatility of 21%. At the same time, the historical volatility for IBM for the previous 21 day period might be 17% (all volatilities are expressed in ...

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  9. Butterfly (options) - Wikipedia

    en.wikipedia.org/wiki/Butterfly_(options)

    A long butterfly options strategy consists of the following options: Long 1 call with a strike price of (X − a) Short 2 calls with a strike price of X; Long 1 call with a strike price of (X + a) where X = the spot price (i.e. current market price of underlying) and a > 0. Using put–call parity a long butterfly can also be created as follows: